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2638051 = 13307661
BaseRepresentation
bin1010000100000011100011
311222000201121
422010003203
51133404201
6132313111
731265053
oct12040343
94860647
102638051
111542009
12a72797
137149a0
144c9563
153719a1
hex2840e3

2638051 has 8 divisors (see below), whose sum is σ = 2854544. Its totient is φ = 2423520.

The previous prime is 2638039. The next prime is 2638057. The reversal of 2638051 is 1508362.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2638051 - 29 = 2637539 is a prime.

It is a Duffinian number.

2638051 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2638057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3661 + ... + 4321.

It is an arithmetic number, because the mean of its divisors is an integer number (356818).

22638051 is an apocalyptic number.

2638051 is a deficient number, since it is larger than the sum of its proper divisors (216493).

2638051 is a wasteful number, since it uses less digits than its factorization.

2638051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2638051 is about 1624.2078069016. The cubic root of 2638051 is about 138.1744450785.

The spelling of 2638051 in words is "two million, six hundred thirty-eight thousand, fifty-one".

Divisors: 1 13 307 661 3991 8593 202927 2638051